/*
 *  MicroEmulator
 *  Copyright (C) 2001 Bartek Teodorczyk <barteo@barteo.net>
 *
 *  It is licensed under the following two licenses as alternatives:
 *    1. GNU Lesser General Public License (the "LGPL") version 2.1 or any newer version
 *    2. Apache License (the "AL") Version 2.0
 *
 *  You may not use this file except in compliance with at least one of
 *  the above two licenses.
 *
 *  You may obtain a copy of the LGPL at
 *      http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
 *
 *  You may obtain a copy of the AL at
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the LGPL or the AL for the specific language governing permissions and
 *  limitations.
 */
 
package org.microemu;

import javax.microedition.lcdui.Display;

import org.microemu.app.ui.DisplayRepaintListener;
import org.microemu.device.MutableImage;


/**
 * The real screen display component which houses the Midlet {@link Display}.
 */
public interface DisplayComponent
{

	public void addDisplayRepaintListener(DisplayRepaintListener l);
	public void removeDisplayRepaintListener(DisplayRepaintListener l);
	
	public MutableImage getDisplayImage();
		
	public void repaintRequest(int x, int y, int width, int height);

	
	/**
	 * Blue Whale Systems fix: Ramesh Nair, 1 May 2008
	 * 
	 * Get whether the midlet (and microemu) has the current keyboard focus.
	 */
	public boolean midletHasKeyboardFocus();
	
}
